2506329

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 4320000

約数和(自身を除く): 1813671

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 149, 189, 267, 447, 623, 801, 1043, 1341, 1869, 2403, 3129, 4023, 5607, 9387, 13261, 16821, 28161, 39783, 92827, 119349, 278481, 358047, 835443, 2506329]

約数ペア:

[(1, 2506329), (3, 835443), (7, 358047), (9, 278481), (21, 119349), (27, 92827), (63, 39783), (89, 28161), (149, 16821), (189, 13261), (267, 9387), (447, 5607), (623, 4023), (801, 3129), (1043, 2403), (1341, 1869)]